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The tumor xenografts were excised, fixed, weighed, photographed, and stored.Mice organs from each group were paraffinembedded for hematoxylin and eosin staining.Then, the particle size was measured at different time points.Then, L of the release medium was withdrawn and replaced with fresh medium at different time points.The cellular uptake efficiency was determined by confocal laser scanning microscopy were seeded in a confocal dish and cultured for h.After euthanasia of the mice, the tumors and main organs were collected for ex vivo imaging.The <a href="http://www.targetmol.com/compound/Glycerite"></a> fluorescence intensity of the isolated organs and tumor tissues was quantitatively evaluated.KGaA, Weinheim The intrinsic properties include crystal type, granular structure, and the ratio of amylose and amylopectin.The external factors include chemical constituents and processing conditions.The characteristics of RS and its physiological effects on the human body could affect cereal food products to make functional foods with different application.In this paper, ve kinds of RS classication, important physiological effects and related application in cereal production are analyzed and summarized.The key to solving this problem is to improve the diet structure and gradually shift the consumption trend to nutritious food with reasonable nutrition and health care functions. In recent years, more and more dietary ber fortied foods, such as bread, noodles, biscuits and steamed foods, have emerged all over the world, which provides a new choice for peoples health. Starch, which is the major dietary source of carbohydrates, is the most abundant storage polysaccharide in plants.The emergence of resistant starch may make these problems well solved. The phenomenon of incomplete digestion and absorption of starch in the small intestine has aroused peoples interest in nondigested starch theoretical research and practical applications. The instrumental texture properties of mufns with added RS made known that this addition put out a softer texture: the products presented less hard, elastic and cohesive, reecting a more delicate structure; these performance results were more evident at higher additive amount   of RS. RS, which undergoes physical modication of starch through cold and heat alternation, is also the most widely studied and applied type of RS.Digestion characteristics and physicochemical properties of ve types of RS, mainly including granular starch, chemically modied starch which contains bonds other than alpha, and, linkages were investigated and compared.After pretreatment, there was no signicant change in RS levels in addition to the decline in the RS.Fatty acids are generally classied according to the length of the carbon chain, the number of carbon atoms in the carbon chain is between and for mediumchain fatty acids and N for longchain fatty acids. The chemical synthesis methods for preparing fatty acid starch esters mainly include: water medium method, organic solvent method and melting method. Organic solvents used in chemical synthesis are toxic and cause contamination problems, and enzymecatalyzed methods have superseded the traditional ways, becoming the mainstream synthesis method.Enzyme catalysis is relatively easy to control the reaction conditions, and the prepared fatty acid starch ester is natural and environmentally friendly.Fatty acids were added to ml of starch solution and mixed with stirring for min.After the reaction was completed, ethanol was added to the reactor to remove unreacted fatty acids, followed by ltration and washing, and the product was dried at C.

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